Developer Utilities
Collection of open-source useful developer tools, converters, encoders, and generators running entirely client-side in the browser.
A growing collection of free, client-side developer, text, and productivity tools that run entirely in your browser with zero data tracking.
A collection of client-side developer and utility tools that run entirely in the browser without sending files or data to any external server.
Fast badge generating service for software projects and documentation.
A browser-based tool to decode and inspect X.509 certificates in PEM format, extracting details like issuer, subject, and validity.
A comprehensive suite of browser-based developer utilities for code formatting, cryptography, data conversion, and system testing.
Browser-based web application for modular conversion, encoding, and encryption without server interaction.
A web-based visual generator for creating custom CSS button styles with real-time preview and code export.
Browser-based utility for analyzing, querying with SQL, diagnosing, and repairing broken CSV files online.
Web-based application for encryption, encoding, compression, and data analysis operations.
Extract website favicons in multiple formats and sizes by providing a domain or URL. Supports SVG, PNG, ICO, and Apple touch icons with API access.
An open source browser-based collection of developer utilities including JSON, XML, YAML, CSV and TOML formatters, validators, and encoders.
A browser-based toolkit for formatting, validating, minifying, and converting JSON data locally.
A private, client-side code formatter and minifier running entirely in the browser without uploading code.
Collection of handy online tools for developers, including cryptography, conversion, web, and network utilities.
Online tool to visualize, format, and convert JSON, YAML, CSV, and XML data into interactive graph trees.
A collection of tools and resources for working with JSON, JSONL, and JSONPath data formats.
JSON Web Tokens decoder, verifier, and generator tool for web applications.
A visual CSS Grid generator that allows users to interactively define grid layouts and export the corresponding HTML and CSS code.
An online tool for generating synthetic test datasets in CSV, SQL, and JSON formats with customizable field schemas.
Convert spreadsheet data from Excel or CSV formats into web-friendly formats including JSON, HTML, and XML.
Web-based visualization tool for exploring and analyzing npm package dependency trees.
A comprehensive web collection of over 680 free, client-side developer, PDF, image, text, and calculator utilities requiring no sign-up.
An open-source collection of developer utilities and tools hosted on GitHub.
A comprehensive web-based collection of developer utilities for hashing, cryptography, compression, encoding, formatting, and text conversion.
A collection of browser-based CSS generators for creating gradients, shadows, filters, transforms, borders, patterns, and grid layouts.
A collection of online utilities designed to aid in PHP development and make coding smoother and more efficient.
A collection of browser-based online tools and resources designed to assist Python developers with various coding tasks.
Online tool to build, test, and debug regular expressions with real-time explanations, match information, and quick reference guides.
Online tool to learn, build, and test Regular Expressions for JavaScript and PHP/PCRE with real-time results and reference documentation.
Concise, consistent, and legible badge generator for software projects, documentation, and repositories supporting hundreds of external services.
A collection of web-based utilities designed to simplify SQL database management, including formatters, validators, and data generators.
A web-based tool to visually edit, transform, scale, rotate, and optimize SVG path data commands directly in the browser.
Convert tabular data between CSV, HTML, JSON, and Markdown formats instantly online with local processing for enhanced privacy.
Collection of browser-based utilities including password generators, text tools, color palettes, and JSON formatters.
A web-based polyglot code and data transformation tool for converting between various formats such as JSON, TypeScript, GraphQL, CSS, and SVG.
Browser-based tool to convert any unicode symbol, emoji, or glyph into a favicon in PNG, ICO, or SVG formats.
JSON editor and viewer that automatically detects and renders Base64-encoded images, audio, video, and PDF data inline without manual decoding.
Collection of web development code generators for CSS, HTML, structured data, meta tags, Open Graph, Twitter cards, and robots.txt.
A collection of unified development tools for encoding, compression, formatting, hashing, serialization, and cryptography with local-first storage.
A collection of web-based utilities for parsing, formatting, converting, validating, and comparing YAML data structures and configuration files.